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Context aware functions - best practices?

by Aristotle (Chancellor)
on Jan 14, 2003 at 18:22 UTC ( #226916=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    sub foo {
        my $num = shift;
        my @arr = (42)x$num;
    ...
    my $x = foo(1);
    
    print $x;
    
  2. or download this
    return wantarray ? @arr : $arr[0];

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